Quantitative Aptitude - Arithmetic Ability Questions

Three numbers are in the ratio of 3:5:10 and their LCM is 630. Find their HCF.

If x = (√2 + 1)/(√2 – 1), then what is the value of (x5 + x4 + x2 + x)/x3 ?

A can do a work in 12 days while B can do it in 15 days. They undertake to complete it together for Rs. 450. what will be the share of A in this amount of money ?

Mukesh sells two shirts. The cost price of the first shirt is equal to the selling price of the second shirt. The first shirt is sold at a profit of 30% and the second shirt is sold at a loss of 30%. What is the ratio of the selling price of the first shirt to the cost price of the second shirt?

If a person bought an item for Rs. 60 and sold it at a profit of 25%, the selling price of the item would be

The average of 8 consecutive natural numbers is 38.5. What is the largest of these 8 numbers?

Find measure of central angle of the sector whose perimeter is 25 cm and radius of the circle is 7 cm?

If the angle of elevation of the top of a pillar from the ground level is raised from 30° to 60°, the length of the shadow of a pillar of height 503 will be decreased by